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ATMXT641TD-AB - Microchip

Description: Touchscreen Controller 2 Wire Capacitive 12 b I2C, SPI Interface 100-TQFP (14x14) ,1.71V ,-40°C ~ 105°C

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ATMXT641TD-AB - Microchip - PCB symbol
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PCB Footprints
ATMXT641TD-AB - Microchip PCB footprint - Quad Flat Packages - Quad Flat Packages - 100-pin TQFP 14 × 14 × 1 mm
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ATMXT641TD-AB - Microchip - 3D model - Quad Flat Packages - 100-pin TQFP 14 × 14 × 1 mm
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  • Datasheet
  • Stock & Prices $ Price & Stock for ATMXT641TD-AB
  • Part Number ATMXT641TD-AB
  • Manufacturer Microchip
  • Pin Count 100
  • Part Category Integrated Circuit
  • Package Category Quad Flat Packages
  • Footprint Name Quad Flat Packages - 100-pin TQFP 14 × 14 × 1 mm
  • Released Date Mar 13, 2026
  • Last Modified Date Mar 13, 2026 4:16 AM UTC
  • Pinout / Pin List Click Here (Member Only)

ATMXT641TD-AB Details

  • Manufacturer Part Number:

    ATMXT641TD-AB

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TQFP-100

  • Pin Count:

    100

  • Manufacturer Package Code:

    TQFP-100

  • Country Of Origin:

    Taiwan, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.31.00.01

  • Factory Lead Time:

    8 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    19

  • JESD-30 Code:

    S-PQFP-G100

  • JESD-609 Code:

    e3

  • Length:

    14 mm

  • Number of Terminals:

    100

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TFQFP

  • Package Equivalence Code:

    TQFP100,.63SQ

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, THIN PROFILE, FINE PITCH

  • Screening Level:

    AEC-Q100; TS 16949

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max:

    3.47 V

  • Supply Voltage-Min:

    3.14 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    14 mm

  • uPs/uCs/Peripheral ICs Type:

    CAPACITIVE TOUCH SCREEN CONTROLLER

ATMXT641TD-AB Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the ATMXT641TD-AB is -40°C to 85°C, as specified in the datasheet. However, it's essential to note that the device can operate at temperatures beyond this range, but with reduced performance and reliability.
  • The ATMXT641TD-AB can be configured for I2C or SPI communication by setting the appropriate pins and registers. For I2C, set the SCL and SDA pins, and for SPI, set the SCK, MOSI, and MISO pins. Refer to the datasheet and application notes for specific register settings and configuration details.
  • The maximum touch detection rate of the ATMXT641TD-AB is approximately 1000 touches per second, depending on the system configuration and noise conditions. This rate can be adjusted by modifying the touch detection algorithm and system parameters.
  • Calibration of the ATMXT641TD-AB involves adjusting the sensitivity, noise threshold, and other parameters to optimize performance. This can be done using the provided calibration software or by writing custom code to adjust the registers. Refer to the datasheet and application notes for calibration guidelines and examples.
  • Yes, the ATMXT641TD-AB is compatible with capacitive stylus or glove touch. The device can detect touches from a variety of input methods, including fingers, styluses, and gloves, as long as they are capacitive in nature.

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ATMXT641TD-AB Overview

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About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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